Trace inequalities for multiple products of two matrices

Trace inequalities for multiple products of two matrices
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两个矩阵的多个乘积的迹不等式

DOI:
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发表时间:
2000
期刊:
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通讯作者:
K. Okubo
K. Okubo
中科院分区:
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文献类型:
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作者:
T. Andô;F. Hiai;K. Okubo

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利用对数优化方法,讨论了两个矩阵的幂重积的迹不等式。例如,迹不等式|Tr(Ap1Bq1Ap2Bq2 · · ·ApK BqK)|在一定的条件下,得到了半正定矩阵A,B和pi,qi 0的Tr(AB),其中p1 + · · ·+pK = q1 + · · · + qK = 1.数学学科分类(1991):15 A45、15 A42、15 A60、47 A30。关键词:半正定矩阵,迹不等式,Golden-Thompson不等式,对数优化。
Trace inequalities for multiple products of powers of two matrices are discussed via the methodof logmajorization. For instance, the trace inequality |Tr(Ap1Bq1Ap2Bq2 · · ·ApK BqK )| Tr(AB) is obtained for positive semidefinite matrices A,B and pi, qi 0 with p1 + · · ·+pK = q1 + · · · + qK = 1 under some additional condition. Mathematics subject classification (1991): 15A45, 15A42, 15A60, 47A30. Keywordsandphrases: Positive semidefinitematrices, trace inequalities, Golden-Thompson inequality, log majorization.